Platen for vulcanizing presses



fvwmfw if www www AA C. V, MALM PLATEN von VuLcANIzlNG PRESSES. FILED OCTy 22, 1921.

ing two substantially said metal ring being in' the form of a separate art.: l 2. press platen having a hollow interior for a heating or cooling medium,- compris- 'ing two substantially Hat plates, and means forl spacing said plates apart to form an 'inner chamber' and for forming the marginal vwalls of said innerchamber, means being constituted by a metal ring around. the marginal portion of the platen, said ring and p ates,projecting one slightly beyond the other, whereby a pocket is formed for welding metal.

3. A press platen having a hollow interior for a heating or cooling medium, comprislat plates, and means for spacing said plates apart to form an l' ner chamber and for forming the marginal alls of said inner chamber; said spacing means being constituted by a metal ring around the marginal portion ot' the platen, said metal ring being in the torni of a separate part, said ring and plates projecting one slightly beyond the other, whereby a pocket is formed for welding metal.

4. A press platen having a hollow interior for a heating or cooling medium. comprising two substantially tiat plates, and means for spacing said plates apartto form an inner chamber and for forming the marginal rwalls ot' said inner chamber, said plates being formed of pressed metal.

5. Apress platen having a hollow interior for a heating or cooling medium. comprisingr two substantially flat plates, and means tor spacing said plates apart to form an inner said spacing chamber and for forming the marginal walls of said inner chamber, said plates being formed of pressed metal and being relatively thin, a representative thickness being one-half inch.

-6. A press platen having a hollow interior for a Iheat-ing 0r cooling medium, comprising two substantially flat plates, and means tor spacing said plates apart to form an inner chamber aind for forming the marginal walls of said inner chamber.y said means comprising Spacing pieces in the space between said plates, and ties.

7. A press platen having a hollow interior for a heating' or cooling medium. comprising two substantially flat plates, means for spaeing said plates apart to form an inner chamber and for forming the marginal walls of said inner chamber, and means for sealing the joint at the meeting surfaces ot any two parts of the device.

S. A press platen having a hollow interior for a heating or cooling medium, comprising two substantially tial'y plates` means for spacing said plates apart to lorm an inuerclmnn be' and tor forming the marginal walls of said inner chamber. and means tor scaling the `ioint at the meeting surtaces ol' an)v two parts ot the device, said means being a weld between the parts at the joint.

9. .l press platen having a hollowb interior tor a heating or cooling medium` comprisiinr two substantiallv llat metal plates` and a metal strip interposed between said plates 'for spacing said plates apart to t'orin an in-` ner chamber and for forming the nnlrginal walls ot' said inne;I clnnnber.

ll). A press platen having a hollow interior tor a heating or cooling medium, comprising two substantialljY liat pressed metal plates. and a metal strip interposed between said plates for spacing' said plates apart to form an inner chamber and for forming the marginal walls of said inner chamber.

ll. press platen lmving u hollow interior for a heating or cooling medium, comprising two substantially lint pressed metal plates, a metal strip interposed between said plates for spacing' said plates apart to torni an inner chamber and tor forming the marginal walls ot said inner chainbenr and a wcld seal ing the joint between unv two meeting sur-- faces ot said plates and strip.

1Q. press platen having` a hollow interior for a heating or cooling medium. comprising two substantially flat pressed metal plates. a metal strip interposed between said plates for spacing said plates apart to torni an in ner chamber and Jor 'forming the marginal walls of said innerchamber` and spacing pieces in the middle portion ol` said inner chamber against which said plates arc to be fastened to prevent deflection under pres-- sure.

BLA press platen. having a hollow inlerior for a heating or cooling medium` having two plates ol pressed. metal i'orming its top and bottoni, and a. ring interposed hetween said plates, the joints between mees ing faces ot' said parts being welded.

Aln wit-ness whercot` l have hereunto signed my name.

AXEL (.Allli VltltlllldAlJM.

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